Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 21, 2025 23:03	4,239	32,478,338	13,565,000	0	2,494,464
2	Apr 21, 2025 23:03	4,240	30,681,651	13,567,000	0	2,498,560
3	Apr 21, 2025 23:09	4,243	33,869,819	13,576,000	0	2,273,280
4	Apr 21, 2025 23:03	4,246	28,996,734	13,587,000	0	2,531,328
5	Apr 21, 2025 23:09	4,246	32,683,397	13,587,000	0	2,273,280
6	Apr 21, 2025 22:41	4,249	34,029,950	13,597,000	0	2,498,560
7	Apr 21, 2025 23:09	4,251	29,087,055	13,604,000	0	2,494,464
8	Apr 21, 2025 22:39	4,253	36,284,455	13,610,000	0	2,273,280
9	Apr 21, 2025 23:03	4,253	35,345,618	13,609,000	0	2,273,280
10	Apr 21, 2025 23:09	4,253	29,910,309	13,610,000	0	2,273,280
11	Apr 21, 2025 23:01	4,255	27,532,761	13,615,000	0	2,498,560
12	Apr 21, 2025 22:41	4,255	28,869,731	13,616,000	0	2,486,272
13	Apr 21, 2025 22:39	4,256	33,200,175	13,618,000	0	2,490,368
14	Apr 21, 2025 22:40	4,256	40,966,139	13,620,000	0	2,498,560
15	Apr 21, 2025 23:03	4,257	28,858,997	13,622,000	0	2,490,368
16	Apr 21, 2025 23:03	4,258	41,121,793	13,624,000	0	2,494,464
17	Apr 21, 2025 23:09	4,258	31,169,757	13,624,000	0	2,494,464
18	Apr 21, 2025 22:38	4,261	41,318,961	13,636,000	0	2,273,280
19	Apr 21, 2025 22:38	4,263	39,280,884	13,641,000	0	2,498,560
20	Apr 21, 2025 22:40	4,263	29,599,030	13,641,000	0	2,498,560
21	Apr 21, 2025 22:40	4,266	33,420,613	13,652,000	0	2,490,368
22	Apr 21, 2025 23:03	4,268	31,455,743	13,659,000	0	2,273,280
23	Apr 21, 2025 23:07	4,269	36,961,678	13,660,000	0	2,273,280
24	Apr 21, 2025 23:01	4,269	38,663,227	13,661,000	0	2,498,560
25	Apr 21, 2025 23:03	4,271	29,111,188	13,667,000	0	2,502,656
26	Apr 21, 2025 23:03	4,272	42,094,277	13,670,000	0	2,490,368
27	Apr 21, 2025 23:09	4,272	40,324,202	13,670,000	0	2,490,368
28	Apr 21, 2025 23:03	4,272	31,574,785	13,669,000	0	2,502,656
29	Apr 21, 2025 22:39	4,272	33,629,823	13,670,000	0	2,498,560
30	Apr 21, 2025 23:03	4,278	30,256,322	13,689,000	0	2,498,560
31	Apr 21, 2025 23:01	4,279	34,575,771	13,692,000	0	2,494,464
32	Apr 21, 2025 22:40	4,281	32,290,398	13,699,000	0	2,498,560
33	Apr 21, 2025 22:39	4,281	39,690,549	13,698,000	0	2,502,656
34	Apr 21, 2025 23:09	4,286	27,337,111	13,716,000	0	2,273,280
35	Apr 21, 2025 23:09	4,286	39,706,530	13,716,000	0	2,273,280
36	Apr 21, 2025 22:39	4,286	40,810,772	13,716,000	0	2,273,280
37	Apr 21, 2025 23:07	4,286	27,136,720	13,714,000	0	2,498,560
38	Apr 21, 2025 23:07	4,286	25,621,469	13,715,000	0	2,273,280
39	Apr 21, 2025 22:40	4,295	30,931,984	12,687,000	1,057,000	2,531,328
40	Apr 21, 2025 23:09	4,329	27,943,102	12,863,000	989,000	2,531,328
41	Apr 21, 2025 22:39	4,333	28,769,412	12,874,000	990,000	2,494,464
42	Apr 21, 2025 22:38	4,335	38,620,555	12,882,000	990,000	2,498,560
43	Apr 21, 2025 23:03	4,337	38,689,524	12,888,000	991,000	2,273,280
44	Apr 21, 2025 22:41	4,343	31,977,851	13,898,000	0	2,273,280
45	Apr 21, 2025 22:40	4,368	35,880,189	12,980,000	998,000	2,494,464
46	Apr 21, 2025 22:39	4,419	37,917,523	13,130,000	1,010,000	2,273,280
47	Apr 21, 2025 22:39	4,429	30,279,404	13,162,000	1,012,000	2,506,752
48	Apr 21, 2025 22:39	4,438	37,618,666	13,186,000	1,014,000	2,273,280

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1